ggangganggang83 ggangganggang83
  • 23-08-2021
  • Mathematics
contestada

A rectangle has perimeter 56 cm and length 21 cm. What is its width?

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sabitapaudel805
sabitapaudel805 sabitapaudel805
  • 23-08-2021

answer the answer is 7.

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dinithisula
dinithisula dinithisula
  • 23-08-2021

Answer:

width=7 cm

Step-by-step explanation:

perimeter=2(lengths+width)

        56   =2(21+x)

         56  =42+2x

   56-42  =2x

        2x    = 14

            x   =7    

therefore the width=7 cm

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